get Namespace URI from Element - Android XML

Android examples for XML:Namespace

  1. HOME
  2. Android
  3. XML
  4. Namespace

Description

get Namespace URI from Element

Demo Code

/*//from   w  w  w  .j a v  a2s. c  om
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
 * Other names may be trademarks of their respective owners.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
 * License. You can obtain a copy of the License at
 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
 * specific language governing permissions and limitations under the
 * License.  When distributing the software, include this License Header
 * Notice in each file and include the License file at
 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the GPL Version 2 section of the License file that
 * accompanied this code. If applicable, add the following below the
 * License Header, with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 * 
 * If you wish your version of this file to be governed by only the CDDL
 * or only the GPL Version 2, indicate your decision by adding
 * "[Contributor] elects to include this software in this distribution
 * under the [CDDL or GPL Version 2] license." If you do not indicate a
 * single choice of license, a recipient has the option to distribute
 * your version of this file under either the CDDL, the GPL Version 2 or
 * to extend the choice of license to its licensees as provided above.
 * However, if you add GPL Version 2 code and therefore, elected the GPL
 * Version 2 license, then the option applies only if the new code is
 * made subject to such option by the copyright holder.
 * 
 * Contributor(s):
 * 
 * Portions Copyrighted 2008 Sun Microsystems, Inc.
 */
//package com.java2s;

import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class Main {
    public static String getNamespaceURI(Element el, String prefix) {
        if ((prefix == null) || (prefix.length() < 1)) {
            return "";
        }
        prefix = prefix.trim();
        try {
            NamedNodeMap map = el.getOwnerDocument().getDocumentElement()
                    .getAttributes();
            for (int j = 0; j < map.getLength(); j++) {
                Node n = map.item(j);
                String attrName = ((Attr) n).getName();
                if (attrName != null) {
                    if (attrName.trim().equals("xmlns:" + prefix)) {
                        return ((Attr) n).getValue();
                    }
                }
            }
        } catch (Exception e) {
        }

        return "";
    }
}

Related Tutorials